Daniels - Dark Stage (1969), Diablo Manor (1970), Double Image (1974), The Dueling Oaks (1971), Box: 4, Folder: 18. Corporate Papers of the Robert Mills Literary Agency, MS 307. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/230084 Accessed November 23, 2024.